Table 2. Comparison Table 2003 Wisconsin DNR, Forest Health Protection PRODUCT NAME & ENTERS WEED FORMULATION FORESTRY USE APPLICATION TIMING AMOUNT COMMENTS ACTIVE INGREDIENT THROUGH Transline Water soluble Post emergent control of Ground broadcast and Foliage and When weeds are actively 1/3 to 1 1/3 pints per Supplemental labeling for Clopyralid 40.9% liquid broadleaf weeds. spot spray stems growing acre forestry application with endangered species restriction. Vanquish Water soluble Nonselective forest brush Aerial, ground, Foliage, stem or Full leaf to 2 weeks 2 qts. product per Ground and basal spray OK for 56.8% liquid control; select tree removal; broadcast, direct sapwood. before frost acre maximum. multiflora rose. Endangered forest site preparation. spray, cut surface. species caution. Veteran CST Ready to use Cut surface treatment of Injection; cut surface. Roots and Fresh cut stump any time 1 ml/cut with edges Backflash possible. Dicamba 13.3% liquid. undesireable trees. sapwood. except active sap flow. 1-2 inches apart. 41.5% to Water soluble Post emergent control of grass Aerial or ground, Foliage or cut After full leaf expansion; 1 ½ -10 pts. product Wetland label for products 53.8% liquid and broadleaf weeds and brush. broadcast or directed surface. woody plants late summer. per acre. Tank without surfactant. Surfactant Accord, Glypro, Conifer release, site prep. spray; cut surface. Release of pine and spruce mixtures. required for many uses. GlyFlo, Glyphosate allowed at end of first Endangered species caution. and others growing season. Pronone 10G Granules Conifer release; site prep. Broadcast or spot Roots In spring during active weed 10-40 lbs product per Rates vary with soil texture and 10% apply by aerial or growth. At lest 2 months acre depending on soil organic matter. Endangered ground equipment. after tree planting. soil texture species caution. Velpar DF Water Site prep, conifer release, grid Aerial or ground; Roots and Early spring to early Site prep 2 2/3 to 6 Release trees 2 to 4 years after Hexazinone 75% dispersable and single stem control. broadcast or directed foliage summer. 2/3 lb per acre. planting depending on soil and granules spray; grid or single Release 1 1/3 – 5 1/3 tree species. Tank mix with stem soil application; lb per acre. Varies Tordon, Garlon. See label. injection. with soil texture Endangered species caution. Velpar L Water Site prep, conifer release, grid Aerial (helicopter only) Roots and Early spring to early Site prep 4-10 Release trees 2 to 4 years after Hexazinone 25% disbursable and single stem control; brush or ground; broadcast foliage summer; see label. qt./acre; release 2- planting depending on soil and liquid control. or directed spray; grid 8qt/acre; varies with tree species. Tank mix with or single stem soil soil texture organic Tordon, Garlon 4. See label. application; injection. matter, tree species. Endangered species caution. Arsenal AC Soluble liquid Conifer site prep and release Helicopter, ground Foliage or cut After full leaf development; ¼-2½ pt. per acre; Do not apply with fixed wing imazapyr 53.1% (supplemental labeling for red spray; cut surface surface Cut surface any time except see label aircraft. Endangered species pine site prep) sap flow caution. Chopper Emulsifiable Site prep, brush control. Ground, helicopter, Foliage, bark, Foliage: after full leaf Conifer site prep: 24- Do not apply with fixed wing Imazapyr 27.6% concentrate to broadcast and cut surface expansion; Cut surface any 32 oz/A. See label. aircraft. Endangered species be mixed with directed spray; paint time except sap flow. caution. water or oil onto cut surface. Linex 4L Flowable to be Pre and early post emergent Broadcast or band Roots and In spring before or shortly 2-4 pt per acre. Use Linuron 40.6% mixed with weed control in hybrid poplar overtop applications foliage after weeds germinate lower rates on lighter water plantings soils. Lorox DF Dispersable Pre and early post emergent Broadcast or directed Roots and In spring before or shortly 2-4 lbs product per Overtop application OK before Linuron 50% granule; mix weed control in hybrid poplar spray foliage after weeds germinate acre. Use lower rates bud break, Directed spray ofter with water plantings on lighter soils. budbreak Escort Dry flowable Red pine site preparation the Aerial or ground Mainly foliage; When weeds are actively 1 – 2 oz per acre Agitate in spray tank. See label Metsulfuron methyl season before planting broadcast some uptake by growing. depending on weed for tank mixes. 60% roots. species and timing. Endangered species caution Pendulum WDG Water Pre-emergent control of annual Broadcast, overtop or Roots Apply to soil before annual 3.3 – 6.6 lbs/acre. Tank mix with glyphosate ok; Pendimethalin 60% dispersable grass and broadleaf weeds. directed spray weeds germinate. see label. granule PRODUCT NAME & ENTERS WEED ACTIVE INGREDIENT FORMULATION FORESTRY USE APPLICATION THROUGH TIMING AMOUNT COMMENTS Tordon K Water soluble Conifer site prep Aerial or ground; Foliage or stems Full foliage development to 1-2 qt per acre Wait 8-9 months before RESTRICTED USE liquid broadcast or directed late summer planting conifers. Tank mix OK 24.4% with Garlon 4, Accord, Oust. Pathway Ready to use Select tree removal Cut surface: injection, Sapwood Any season except sap Inject 1 ml every 3 Stays phytotoxic for 1 year in Picloram 5.4% and liquid frill, girdle or cut flow. inches of soil; backflash possible. 2,4-D amine 20.9% stump. circumference Groundwater caution. Tordon 101 Mixture Water soluble Broadleaf weed and brush Aerial or ground Foliage or cut Foliage application after leaf 4-8 qt product per Stays phytotoxic for 1 year if in RESTRICTED USE liquid control in forest planting sites; broadcast spray or surface. expansion; cut surface any acre soil; backflash possible from cut Picloram 10.2% site prep;wildlife openings. directed spray season except heavy sap surface applications. 2,4-D amine 39.6% flow. Vantage Water Postemergent grass Ground, broadcast or Foliage Actively growing grass, 2.25 - 3.75 pt per Poor control may result if grass Sethoxydim 13 % dispersable control directed spray. before seed head appears. acre is mowed and allowed to liquid. regrow before application. Endangered species caution. 4L Water Preemergent broadleaf Broadcast, spot, Roots Before weeds emerge or 2-4 qt product in at "Shelterbelt" wording allows Simazine 42% dispersable, and grass control in band, directed or after weed removal least 25 gal water per use in plantations for erosion liquid plantations overtop spray. acre. control. Endangered species caution. Simazine 90 DF Water Preemergent broadleaf Broadcast, spot, Roots Before weeds emerge or 2.2-4.4 lb in at least "Shelterbelt" wording allows Simazine 90% dispersable dry and grass control in band, directed or after weed removal 25 use in plantations for erosion flowable plantations overtop spray. gal water per acre control. Endangered species caution. Oust XP Water Pre and early post emergent Aerial (helicopter only) roots and In late fall before planting or 1 - 8 oz per acre Tank mix with simazine OK. Sulfometuron methyl dispersable grass and broadleaf control in or ground, foliage Apply after rainfall closes 75% granule tree plantations. Supplemental roadcast,band or in spring after trees are planting slit. Endangered species label for hybrid poplar. directed spray planted but before trees caution. break dormancy. Garlon 3A Water soluble Site prep, conifer release, Broadcast or directed, Foliage or cut Foliage application during 1/4-3 gal product per Tank mix with 2,4-D or picloram amine liquid Single tree removal ground or aerial spray surface active growth; cut surface acre OK. Specimen Label Revised 44.4% (helicopter only). any time except heavy sap 12-13-02. flow. Garlon 4 Emulsifiable Brush and broadleaf Ground or aerial spray Foliage, bark & Foliage application active Site prep 3-6 qt/A; Site prep: 1-2 month delay for Triclopyr ester 61.6% liquid control, site prep, conifer (helicopter only), basal cut surface growth, best results late Conifer release 1.3 -3 conifer planting; Conifer release release, select tree removal bark, dormant stem summer. qt/A. late summer . Endangered species caution. Pathfinder II Ready to use Brush control,single tree Hand directed spray Basal bark & cut Any time except when Thoroughly wet bark OK on seasonally dry wetlands. Triclopyr ester liquid romoval stumps snow or water covers base and cut surface but 13.6% of tree with no runoff. or brush Hi-Dep Water soluble High-volume brush Ground or aerial Foliage, bark, Spray from full leaf to 1/2 - 2 gal per acre Aerial application OK; 2,4-D amine 49.5% liquid control; site prep; single tree broadcast; injection injection dormant;injection May 15 thistle control removal to Oct 15 See 2,4-D LV4 Emulsifiable Site prep; conifer release; single Aerial or ground Foliage; cut After conifers harden off; at 1.5-2 qts product/a; Aquatic label. Injection for hard 2,4-D ester 67.2% concentrate tree removal spray; injection surface bud break; or after leaf see label to kill species. development Patron 170 Emulsifiable Brush control, site prep, pine Aerial or ground spray Foliage, stem, After full leaf development; Site prep: 1-2 gal/a To release red, jack, and white 2,4-D ester 32.1% concentrate release, and select tree basal bark; frill cut surface pine release after August pine release: 2-4 qt/a pine and white spruce. 2,4-DP ester 32.2% removal 15